Description

3-Methylideneoxolane is a versatile heterocyclic building block with significant utility in advanced organic synthesis. Its reactive methylidene group makes it a valuable precursor for constructing complex molecular architectures, particularly in the pharmaceutical and fine chemical sectors. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), agrochemicals, and specialty polymers who require high-purity, reliable intermediates.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers with tailored properties.
• Fine Chemical Production: Employed in the manufacture of flavors, fragrances, and other high-value specialty chemicals.
• Organic Synthesis Reagent: Acts as a dienophile in Diels-Alder reactions and a Michael acceptor for constructing complex heterocycles.
• Chemical Research & Development: A crucial reagent for academic and industrial R&D exploring new synthetic methodologies.

Basic Information

Product Name	3-Methylideneoxolane
CAS No.	75394-90-0
Molecular Formula	C5H8O
Molecular Weight	84.12 g/mol
Synonyms	2,5-Dihydrofuran, 3-methylene-; 3-Methylene-2,5-dihydrofuran; 3-Methylenedihydrofuran; 3-Methyleneoxolane; 2,5-Dihydro-3-methylenefuran; Oxolane, 3-methylene-; Tetrahydro-3-methylenefuran
EINECS	Contact for details

Quality Control

Our 3-Methylideneoxolane is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopy (IR, NMR), to ensure it meets the high-purity standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at a controlled room temperature (15-25°C). Due to its highly volatile and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	≤ 2.0% total

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.